#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int MAXN = 1e5+7;
const LL MOD = 1e9+7;
vector<int> vec[MAXN];
LL Fac[MAXN];
void Init() {
    Fac[0] = 1;
    for (int i=1; i<MAXN; ++i) {
        Fac[i] = (Fac[i-1] * i) % MOD;
    }
}

int main() {
    Init();

    return 0;
}
